Trace fossil
踪迹化石
🧩 词语组成解析
trace
[tres]
vt. 跟踪，追踪;追溯，探索;探索;查找;
vi. 沿着一小径或道路前进;可以追溯的;
n. 痕迹，踪迹;微量，极少量;[植]（脉）迹;痕迹;
trace(draw)→回溯
🗣️ 情景例句
That's great. I'll come back right after the formalities.
那太好了。手续办完后我就回来。
The plumber has made a mistake.
配管工犯了一个错误。
Oh! And do you use American or British spelling?
噢！那你们是采用美国拼法还是英国拼法呢？